-44.9% is the change from 686 to 378
Calculation steps:
[( 378 - 686 ) ÷ 686] x 100 = -44.9%
Formula
Percentage change = [(378 - 686) / 686] x 100
Subtract the new number by the original number
378 - 686 = -308
-308 ÷ 686 = -0.4489795918367347
-0.4489795918367347 x 100 = -44.9%